{"id":"CVE-2022-27926","kind":"vulnerability","aliases":["CVE-2022-27926"],"related":[],"title":"synacor zimbra collaboration suite: A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra…","description":"A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request parameters.","summary":"Zimbra Collaboration Suite has a cross-site scripting flaw: an endpoint accepts URL parameters without sanitizing them. An attacker can get script to run in a victim's browser session, which can expose their mail and account actions.","severity":"medium","cvss":6.1,"epss":null,"exploited":true,"exploited_at":"2023-04-03T00:00:00+00:00","products":[{"name":"Synacor Zimbra Collaboration Suite (ZCS)","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"synacor zimbra collaboration suite","fixed":[],"affected":"= 9.0.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["email","exploited","package","self-hosted","zimbra"],"not_affected_if":["managed-hosting"],"how_to_check":null,"fix":"Apply the vendor update per Synacor/Zimbra instructions, as CISA requires; the fixed version is unknown from these sources.","status":"open","published_at":"2022-04-21T00:15:08+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:24+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-23T21:08:24Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor update per Synacor/Zimbra instructions, as CISA requires; the fixed version is unknown from these sources.","reach":"internet","impact":"medium","summary":"Zimbra Collaboration Suite has a cross-site scripting flaw: an endpoint accepts URL parameters without sanitizing them. An attacker can get script to run in a victim's browser session, which can expose their mail and account actions.","category":"package","who_cares":["zimbra","self-hosted","email"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker runs script in victim's mailbox session, reading or acting as the user","analyst_note":"Confirm affected and fixed Zimbra versions and the vulnerable endpoint from the vendor advisory or the NVD entry for CVE-2022-27926, since the sources give none.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["managed-hosting"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00047,"input_tokens":2851,"output_tokens":369,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':20A,23A '-27926':21A,24A '/public/launchnewwindow.jsp':15A,90C '9.0':97C 'accept':53B 'account':78B 'action':79B 'aka':95C 'allow':98C 'arbitrari':103C 'attack':60B,100C 'browser':70B 'collabor':3A,42B,94C 'collaboration':27A,32A 'compon':16A,91C 'cross':8A,47B,83C 'cross-sit':7A,46B,82C 'cve':19A,22A 'email':34B 'endpoint':52B 'execut':102C 'exploit':35B 'expos':74B 'flaw':50B 'get':62B 'host':39B 'html':107C 'mail':76B 'packag':36B 'paramet':55B,110C 'reflect':6A,81C 'request':109C 'run':65B 'sanit':57B 'script':10A,49B,63B,85C,105C 'self':38B 'self-host':37B 'session':71B 'site':9A,48B,84C 'suit':4A,43B 'suite':28A,33A 'synacor':1A,25A,30A 'unauthent':99C 'url':54B 'via':108C 'victim':68B 'vulner':12A,87C 'web':104C 'without':56B 'xss':11A,86C 'zcs':29A,96C 'zimbra':2A,18A,26A,31A,40B,41B,93C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-04-21T00:15:08+00:00","kev":{"dateAdded":"2023-04-03","dueDate":"2023-04-24","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-27926","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-27926","severity":null,"published_at":"2023-04-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T17:39:57+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-27926","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-27926","severity":null,"published_at":"2022-04-21T00:15:08+00:00","modified_at":"2026-06-17T04:37:45+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}